Monochrome Laser Printer Service Manual
Contents
1. Diagnostic information 2 23 4512 220 230 Fuser fan or toner sensor error Codes 920 through 929 indicate a problem in the fuser see fuser service check a stalled fan motor or a faulty toner sensor or toner cartridge Multiple errors indicate replacing the corresponding part Service tertiary error codes fuser fan or toner sensor Lights Service secondary codes 92x Service tertiary codes fuser fan or toner sensor 920 Fuser below temperature when printing 921 Fuser below standby temperature at idle 922 Fuser failed to reach standby temperature 923 Fuser too hot during printing or idle 924 Open circuit in thermistor path 925 Incorrect fuser 927 Fan stalled 929 Toner sensor or toner cartridge are bad 2 24 Lexmark E250d and E250dn 4512 220 230 Printhead transport motor or RIP engine communication error Codes 930 through 935 indicate a problem with the printhead Check cables to the printhead Replace the printhead as necessary Codes 936 and 937 indicate a problem in the drive system motor Code 939 indicates a communication failure between the RIP and engine processors Service tertiary error codes printhead transport motor or RIP engine communicator Lights D L S Service secondary codes 93x Service tertiary2. Action Clear the paper jam Complex page A a VF e e Meaning The page may not print correctly because the print information on the page is too complex that is too large for the printer memory Action Press Continue to clear the error code and continue processing the print job some of the print data may be lost To avoid this error in the future e Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary download fonts or macros Set Page Protect to On in the Local Printer Setup Utility e Install additional printer memory Diagnostic information 2 15 4512 220 230 Insufficient collation area Meaning The printer memory does not have the free space necessary to collate the print job This may happen due to one of these errors e Memory is full A page is too complex to print e A page is shorter than the set page margins e Memory is insufficient to save what is in the buffer Action e Press Continue to clear the message and continue printing the job The job may not print correctly e Press and release Cancel x to cancel the print job e Press and hold Cancel X to reset the printer To avoid this error in the future e Simplify the print job Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary downloaded fonts or macros e Inst
3. The media length is too short to print the formatted data This occurs when the printer does not know the print media size in the way or when there is a problem feeding the print media Action Make sure the print media that is loaded is large enough Open the front door clear the paper path and close the door to resume printing Press Continue to clear the light sequence and continue printing Press Cancel X to cancel the print job 2 10 Lexmark E250d and E250dn Output bin full 4512 220 230 Meaning The output bin is full Action e Remove printed pages from the output bin Press Continue to clear the error code Diagnostic information 2 11 4512 220 230 Common secondary light patters e When the Error and Continue lights are both on a secondary error has occurred e When the Paper jam and Continue lights are both on a paper jam secondary error has occurred Press and release Continue twice quickly to display the secondary error code light sequence The following table shows what these light sequences mean and where to go for help Secondary light sequences Printer Condition Page np D Z w Paper jam at the input sensor 13 e e Paper jam in the manual feeder 13 e e e Paper jam between the input 13 e e 9 and exit senso
4. The geographic region of the printer does not match the geographic region of the installed toner cartridge Action Remove the toner cartridge and install a new toner cartridge that matches the region of the printer Photoconductor kit life warning 2 a ata e Meaning The photoconductor is almost full and should be replaced soon Note The Toner Alarm must be turned on in the driver for this message to appear The factory default is Off Action e Press and release Continue to clear the light sequence and continue printing e Replace the photoconductor kit Replace photoconductor printer hard stop O X F Meaning The photoconductor kit is full and must be replaced The printer will not print any more pages until the photoconductor kit is replaced Action e Press and release Continue to print a photoconductor kit instruction page e Replace the photoconductor kit 2 8 Lexmark E250d and E250dn Programming engine code Programming system code 4512 220 230 J a Y e Meaning New code is being programmed into the engine or firmware code flash Action Wait for the message to clear When the printer has finished programming the code it performs a sof
5. Trace Ready Waiting Flushing Resolution reduced x Not ready printer is offline of on on A AJA Close door Insufficient collation area Insufficient memory 0 Cancel job Reset printer Load print media Tray 1 Load manual feeder Toner low Toner cartridge region mismatch Photoconductor kit life warning Replace photoconductor printer hard stop CO CO NI NINI ee o Programming engine code Programming system code Invalid engine code Invalid network code Service error Printer error 10 Paper jam printer error 10 Short media 10 o Output bin full 11 Load Tray 1 for side 2 of manual duplex printing 1 Toner low light will remain on with other primary light sequences 2 Toner low light will remain flashing with other primary light sequences 3 Secondary codes will follow this code Diagnostic information 2 3 4512 220 230 Primary codes Ready Power Saver Meaning e The printer is ready to receive and process data e The printer is in Power Saver mode Action e Send a print job e Press Continue to print the menu settings pages for a list of current printer settings e Press and hold Cancel X to reset the printer Busy Meaning e The printe
6. canceled e The printer is resetting to the user default settings Any active print jobs are canceled A user default setting remains in effect until it is changed or has restored the factory default settings Action Wait for the message to clear 2 6 Lexmark E250d and E250dn 4512 220 230 Load print media Meaning The printer is out of print media at the indicated source Action Load print media into the indicated tray and press Continue to resume printing e Press Cancel to reset the printer Load manual feeder a VF e Meaning The printer prompts to load a single sheet of print media in the manual feeder Action e Load print media into the manual feeder e Press Continue to resume printing e Press Cancel X to reset the printer Toner low a VF e e Meaning The printer is ready to receive and process data In addition the toner in the toner cartridge is getting low Action Press and release Continue 6 to clean the light sequence and continue processing the print job e Turn the printer off e Remove the toner cartridge and shake it to extend the life e Replace the toner cartridge Diagnostic information 2 7 4512 220 230 Toner cartridge region mismatch a a x sf Meaning
7. codes printhead transport motor or RIP engine commu nicator 930 Printhead error 931 Printhead error 932 Printhead error 933 Printhead error 934 Printhead error 5 935 Printhead error 936 Transport motor error 937 Transport motor error Diagnostic information 2 25 4512 220 230 NVRAM failure Error codes 950 954 indicate a problem in the NVRAM nonvolatile random access memory Replace the operator panel assembly Codes 955 959 indicate a failed controller card assembly Replace the controller card Service tertiary error codes NVRAM failure L Z 7 Lights Service secondary codes 95x Service tertiary codes NVRAM failure 950 Secure EEPROM data does not match NVRAM 951 Secure EEPROM failure 952 NVRAM CRC failure 954 NVRAM chip failure 955 Code ROM or NAND failed CRC 956 Processor failure 957 ASIC failure 958 NAND failure 959 SRAM failure Network error Indicates an error in the network circuitry Replace the controller card assembly Service tertiary error codes network error 2 a a af Lights Service secondary codes 97x Service tertiary codes network error 975 Unrecognizable network
8. for more information The printer cycles down into standby mode and IF lights solid 2 e ONE Light patterns and error messages User attendance messages paper jam errors and service errors display a light pattern This may be all the information that is needed However if is double clicked on the panel a second pattern may appear with more detailed information If is double clicked again the first pattern usually returns Not all initial level light patterns have secondary patterns when double clicking the pattern does not change Primary Codes Secondary Codes All service errors are indicated by all lights flashing as the primary notification or code The secondary code indicates an area or function which has the error Additional tertiary codes used for service see Service tertiary error codes on page 2 23 indicate specific errors See Service codes on page 2 21 Note If data is sent to the printer and all lights flash immediately and double clicking does not change the display there may be a code problem Contact the next level of support 2 2 Lexmark E250d and E250dn Common primary light patterns See Overview of the operator panel on page 1 2 for icon information J Light on Light off Light blinking xX Light blinking slowly Common light sequences 4512 220 230 Printer Condition Page L Ready Power Saver Busy Hex
9. or replace the toner cartridge if it is defective e Replace the toner cartridge e Turn the printer back on Diagnostic information 2 19 4512 220 230 Unsupported toner cartridge Meaning The toner cartridge is not supported by the printer Action e Press and release Continue to clear the light sequence and continue processing the print job e Turn the printer off e Remove the toner cartridge and replace it with a supported toner cartridge e Turn the printer back on 2 20 Lexmark E250d and E250dn 4512 220 230 Service codes All service errors are indicated by all lights flashing as the primary notification or code The secondary light pattern indicates an area or function which has the error Tertiary codes shown on the following pages indicate specific device errors When all lights flash double click to see the secondary code Double click again to see the tertiary code Double click a third time to return to the primary light pattern In the following example e The primary light pattern indicates a service error all flashing Double click for more information e The secondary light pattern indicates a fuser toner sensor or fan error Double click for more information e The tertiary light pattern indicates the fan has stalled Double click again and the original primary light pattern will appear Note e The printer can
10. port 976 Unrecoverable software error in network port 978 Bad checksum while programming port 979 Flash parts failed while programming port 2 26 Lexmark E250d and E250dn
11. 4512 220 230 2 Diagnostic information Start assembly or electronic card This is a precaution for personal safety and to prevent damage to the CAUTION Unplug power from the printer before connecting or disconnecting any other cable AN printer This chapter contains the codes and diagnostic tools to aid in providing corrective action for a malfunctioning printer To determine the corrective action to repair a printer look for the following information A description of a problem see Symptom tables on page 2 35 e Information from the operator panel of the printer Models E250d and E250dn have an operator panel containing lights and buttons Warning Paper clips are commonly used near printers and can become lodged in the paper path Always check for debris in the paper path Diagnostic information 2 1 4512 220 230 Power On Self Test POST sequence When the printer is turned on it performs a POST Check for correct POST functioning of the base printer by observing the following process All operator panel lights on momentarily Lights then flash on and off sequentially After the lights quit flashing the a light flashes until the fuser comes up to temperature 5 20 additional seconds depending on the initial temperature of the fuser and then stays on If there is a problem in the printer such as a paper jam the panel lights indicate the problem See Common primary light patterns on page 2 3
12. Meaning A paper jam has occurred The jammed media is most likely in the fuser area under the toner cartridge assembly Action Clear the paper jam Paper jams as a printed job exits the printer E 3 w e e Meaning A paper jam has occurred as the print media is exiting the printer Action Clear the paper jam Diagnostic information 2 13 4512 220 230 Paper jam in the 250 sheet tray 7 0 Meaning A paper jam has occurred in the 250 sheet tray Action Clear the paper jam Paper jam in the 550 sheet drawer a Meaning A paper jam has occurred in the 550 sheet drawer Action Clear the paper jam Paper jam duplex rear Meaning A paper jam has occurred in the rear area of the printer Action Clear the paper jam Paper jam duplex unknown location a Meaning A paper jam has occurred somewhere in the duplex unit Action Clear the paper jam 2 14 Lexmark E250d and E250dn Paper jam duplex unsupported size 4512 220 230 a a Y e Meaning A paper jam has occurred in the duplex unit due to an unsupported print media size
13. all additional printer memory Network interface errors Meaning The printer cannot establish communication with the network Action Press Continue to clear the message and continue printing The previous print job may not print correctly Font error a a X VF e e Meaning The printer does not have enough memory to save the data in the buffer Action e Install additional memory Press Continue to continue printing the job e Press Cancel to cancel the print job 2 16 Lexmark E250d and E250dn 4512 220 230 ENA connection lost e o Meaning The printer cannot establish communication with the network Action Press Continue to clear the code and continue printing The previous print job may not print correctly Host interface disabled a X UF Meaning The printer USB or parallel port has been disabled Action Press Continue to clear the code The printer discards any print jobs previously sent Enable the USB or parallel port by selecting a value other than Disabled for the USB Buffer or Parallel Buffer item in the Local Printer Settings Utility Memory full a B K Meaning The printer is processing data but the memory us
14. ammed or the programmed code is not valid Action Download the valid engine code to the internal print server 2 18 Lexmark E250d and E250dn 4512 220 230 Toner cartridge region mismatch a x sf e J Meaning The geographic region of the printer does not match the geographic region of the installed toner cartridge Action Remove the toner cartridge and install a new toner cartridge that matches the region of the printer Change toner cartridge invalid refill a a RA 5 f CS e e Meaning The toner in the toner cartridge is getting low or an invalid refill toner has been installed Action e Press and release Continue to clear the light sequence and continue processing the print job e Turn the printer off e Remove the toner cartridge and shake it to extend the life or replace the toner cartridge with a valid toner cartridge e Replace the toner cartridge e Turn the printer back on Missing Defective toner cartridge a x w e e e Meaning The toner in the toner cartridge is getting low or a defective toner cartridge has been detected Action Press and release Continue to clear the light sequence and continue processing the print job e Turn the printer off e Remove the toner cartridge and shake it to extend the life
15. aning e The printer is flushing corrupted print data e The printer is processing data or printing pages but the resolution of a page in the current print job is reduced from 600 dots per inch dpi to 300 dpi to prevent a memory full error Action e Wait until the control panel returns to Ready to print other jobs e Press and release Cancel to cancel the print job e Press and hold Cancel x to reset the printer Not ready OD od SS Meaning The printer is not ready to receive or process data or the printer ports are offline Action e Press and release Continue to return to the Ready state e Press and release Cancel x to return to the Ready state Diagnostic information 2 5 4512 220 230 Close door Meaning The printer front door is open Action Close the door The printer will automatically reset Insufficient collation area Insufficient memory D Z ati Meaning The printer memory is too full to collate the print job Action e Press and release Continue to clear the message and continue printing the job The job may not print correctly e Press and release Cancel Gto cancel the print job e Press Cancel x to reset the printer Cancel job Reset printer Meaning e The current print job is
16. ation or code For brevity this indication is not repeated in the following codes CAUTION When this symbol appears there is a danger from hazardous voltage in the area of the product that is being worked on Unplug the product before beginning or use caution if the product must receive power in order to perform the task Controller software Codes 90x indicate a controller software error illegal trap For the other errors which indicate a faulty programming process or faulty component on the controller card replace the controller card See Controller card removal on page 4 13 Service tertiary error codes controller software ee q L X ata Lights Service secondary codes 90x Service tertiary codes 902 General engine software error 905 Interface violation by paperport device Service watchdog 90x Timer service slow Transfer roll or tray 2 Code 914 indicates an error in tray 2 motor Replace the drawer Code 917 indicates a problem in the transfer roll circuitry Check the continuity from the cable connection on the HVPS high voltage power supply to the right side of the transfer roll Service tertiary error codes transfer roll Lights Service secondary codes 91x Service tertiary codes 914 Tray 2 motor failure 5 917 Transfer roll circuity
17. ed to store pages is full Action e Press Continue to clear the message and continue printing the job the job may not print correctly e Press and release Cancel Q to cancel the print job Press and hold Cancel x to reset the printer To avoid this error in the future e Simplify the print job Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary downloaded fonts or macros e Install additional printer memory Diagnostic information 2 17 4512 220 230 Short media Meaning The media length is too short to print the formulated data This occurs when the printer does not know the print media size loaded in the tray or there is a problem feeding the print media Action e Make sure the print media that is loaded is large enough e Open the front door clear the paper path and close the door to resume printing Press Continue to clear the code and continue printing the job e Press Cancel to cancel the print job Invalid engine code Meaning The engine code has not been programmed or the programmed code is not valid Action Download the valid engine code to the internal print server Invalid network code f S amp K e o Meaning The code in an internal print server had not been progr
18. not directly determine that a fan has failed but can sense the higher temperature at the fuser or printhead e If data is sent to the printer and all lights flash simultaneously and double clicking does not produce a secondary code there may be a code problem Contact the next level of support Primary Codes Secondary Codes Tertiary Codes Service primary code Light blinking When this code appears double click to reveal the secondary codes Service primary code Lights Primary code for service errors See service secondary error codes Diagnostic information 2 21 4512 220 230 Service secondary error codes Service secondary codes 2 a x Y Lights 900 Software 91x DC motor or transfer roll 92x Fuser or toner sensor 93x Printhead drive motor 94x LVPS service error 95x Controller card NCRAM ROM or NAND 96 RAM memory 97x Network 2 22 Lexmark E250d and E250dn 4512 220 230 Service tertiary error codes Service tertiary error codes Service error codes are generally non recoverable except in an intermittent condition when POR power on reset is performed which allows the printer to temporarily recover from the error Note All service errors are initially communicated by all lights flashing which is the primary indic
19. r Paper jams at the exit sensor 13 e e e Paper jam in the 250 sheet tray 14 e e e e Paper jam in the 550 sheet 14 e e 9 drawer Paper jam duplex rear 14 e e Paper jam duplex location 14 e unknown Paper jam duplex 15 e unsupported size Complex page 15 e e Insufficient collation area 16 e e e Network interface errors 16 e e e Font error 16 e Insufficient printer memory 16 e e ENA connection lost 17 e e Host interface disabled 17 e e Memory full 17 e e e e Short media 18 e e e e Invalid engine code 18 e e Invalid network code 18 e Toner cartridge region 19 e e mismatch Change toner cartridge invalid 19 e e refill Missing Defective toner 19 e e 9 cartridge Unsupported toner cartridge 20 e e 2 12 Lexmark E250d and E250dn 4512 220 230 Secondary error codes Paper jam at the input sensor vr a w Meaning A paper jam has occurred at the input sensor which can be either after the print media leaves the tray and enters the printer or in the manual feeder Action Clear the paper jam Paper jam in the manual feeder 7 D Y e e e Meaning A paper jam has occurred at the manual feeder Action Clear the paper jam Paper jams between the input and exit sensors a a X K e e e
20. r is busy receiving and processing data or printing e The printer is printing a directory font list menu settings pages or Print Quality Test Pages Action Busy e Wait for the message to clear e Press and release Cancel Q to cancel the print job e Press and hold Cancel X to reset the printer Printing a directory a font list menu settings pages or Print Quality Test Pages e Wait for the pages to print The Busy message is displayed as the pages print The Ready light is on when the printing stops e Press and release Cancel to cancel printing Press and hold Cancel x to reset the printer Hex Trace Ready Meaning The printer is in the Ready mode and Hex Trace is active Action Advance users can use Hex Trace to help troubleshoot printing problems After resolving the problem turn off the printer to exit Hex Trace Wait for the message to clear Press and hold Cancel x to reset the printer 2 4 Lexmark E250d and E250dn 4512 220 230 Waiting Meaning The printer is waiting until a print timeout occurs or until it receives additional data Action e Press Continue to print the contents of the print buffer e Press and release Cancel Qto cancel the print job e Press and hold Cancel x to reset the printer Flushing Resolution reduced D y Me
21. t reset Invalid engine code Invalid network code 7 D 6 e e Meaning The engine code and or the network code has not been programmed or has been programmed but is invalid Action Download valid engine code to the internal print server Service error v B Z a Meaning The printer has a service error and printing has stopped Action Press Continue twice to see the secondary code See Service codes on page 2 21 to locate the problem Diagnostic information 2 9 4512 220 230 Printer error LJ End pS Meaning The printer has one of the following errors Memory is full insufficient to save what is in the buffer A page is too complex too complex to print or is shorter than the set page margins Resolution of a formatted page is reduced to 300 dpi A font error occurred Communication with the host computer is lost Short media Action Press Continue twice quickly to see the secondary error code Press Continue to clear the secondary message Paper jam printer error Meaning The pri nter has a paper jam Action Press Continue twice quickly to see the secondary error code Press Continue to resume printing once all the jammed pages are cleared from the paper path Short media s O X wy Meaning loaded
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